Dynamic load tests on the North-South axis cable-stayed bridge with a non-symmetric central pylon

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Title: Dynamic load tests on the North-South axis cable-stayed bridge with a non-symmetric central pylon
Authors: Ivorra, Salvador | Foti, Dora | Paparella, Francesco | Baeza, F. Javier
Research Group/s: Grupo de Ensayo, Simulación y Modelización de Estructuras (GRESMES) | Durabilidad de Materiales y Construcciones en Ingeniería y Arquitectura
Center, Department or Service: Universidad de Alicante. Departamento de Ingeniería Civil
Keywords: Cable-stayed bridges | Antisymmetric deck | Dynamic identification tests | FE modelling
Knowledge Area: Mecánica de Medios Continuos y Teoría de Estructuras
Issue Date: 2017
Publisher: Elsevier
Citation: Procedia Engineering. 2017, 199: 2967-2972. doi:10.1016/j.proeng.2017.09.528
Abstract: The new cable-stayed bridge built for the North-South axis road of Bari in order to overpass the railway of RFI and Ferrotramviaria s.p.a. has been recently built and opened to the traffic. The bridge is 626 m long and the central cable-stayed bays have a total length of 225 m. They are supported by cables connected to a central upside down Y-shaped pylon. The peculiarity is that this column is about 60° rotated with respect to the axis of the bridge deck. A dynamic load tests was developed previously to open the bridge to conventional traffic. 26 piezoelectric accelerometers have been utilized in different positions of the cables-stayed bays to record the accelerations produced by environmental forces and by the impact produced by a loaded truck passing over a bump. Operational Modal Analysis has been applied by mean of Artemis software to determine the first fundamental frequencies and the mode shapes. The main frequency of this non-symmetric pylon is the main frequency of all the stayed bridge.
URI: http://hdl.handle.net/10045/69731
ISSN: 1877-7058
DOI: 10.1016/j.proeng.2017.09.528
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2017 The Authors. Published by Elsevier Ltd. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
Peer Review: si
Publisher version: http://dx.doi.org/10.1016/j.proeng.2017.09.528
Appears in Collections:INV - DMCIA - Artículos de Revistas
INV - GRESMES - Artículos de Revistas

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